Move nodes from one rack controller to an other

Hello guys,

I have 30 servers that I would like to move to a new created rack controller in a different VLAN (same region controller).
I tried to change the VLAN on my switch port and then reboot a server but it can’t eventually connect to the original datasource and does not boot.
Is there any way to do that without having to delete the server and enlist it again ?

I guess I would have to play with entries into the DB, also I’m using maas 2.6.1

Thank you,